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feat(miniflare): Add assets Proxy Worker skeleton in miniflare #8288

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@CarmenPopoviciu CarmenPopoviciu commented Feb 27, 2025

This commit implements a very basic Proxy Worker skeleton, and wires it in the "pipeline" miniflare creates for assets. This Worker will be incrementally worked on, but for now, the current implementation will forward all incoming requests to the Router Worker, thus leaving the current assets behaviour in local dev, unchanged.

TLDR 👇

Screenshot 2025-02-27 at 16 44 34

Why are we doing this? Because we expect the proxy Worker code to be quite involved, so we don't want to worry at that point whether the wiring works properly or not. We just want to focus on that Worker code

Fixes DEVX-1641, DEVX-1642


  • Tests
    • TODO (before merge)
    • Tests included
    • Tests not necessary because: covered by existing tests
  • Wrangler E2E Tests CI Job required? (Use "e2e" label or ask maintainer to run separately)
    • I don't know
    • Required
    • Not required because:
  • Public documentation
    • TODO (before merge)
    • Cloudflare docs PR(s):
    • Documentation not necessary because: not documented

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changeset-bot bot commented Feb 27, 2025

🦋 Changeset detected

Latest commit: fb06789

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 5 packages
Name Type
miniflare Patch
@cloudflare/pages-shared Patch
@cloudflare/vite-plugin Patch
@cloudflare/vitest-pool-workers Patch
wrangler Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@CarmenPopoviciu CarmenPopoviciu added the e2e Run wrangler e2e tests on a PR label Feb 27, 2025
@CarmenPopoviciu CarmenPopoviciu force-pushed the carmen/proxy-worker-skeleton branch 3 times, most recently from bc52526 to e5d2dfe Compare February 27, 2025 15:50
This commit implements a very basic Proxy Worker skeleton, and
wires it in the "pipeline" miniflare creates for assets. This
Worker will be incrementally worked on, but for now, the current
implementation will forward all incoming requests to the Router
Worker, thus leaving the current assets behaviour in local dev,
the same.

Fixes DEVX-1641, DEVX-1642
@CarmenPopoviciu CarmenPopoviciu force-pushed the carmen/proxy-worker-skeleton branch from e5d2dfe to fb06789 Compare February 27, 2025 16:41
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A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-wrangler-8288

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/prs/8288/npm-package-wrangler-8288

Or you can use npx with this latest build directly:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-wrangler-8288 dev path/to/script.js
Additional artifacts:

cloudflare-workers-bindings-extension:

wget https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-workers-bindings-extension-8288 -O ./cloudflare-workers-bindings-extension.0.0.0-vdf3dace04.vsix && code --install-extension ./cloudflare-workers-bindings-extension.0.0.0-vdf3dace04.vsix

create-cloudflare:

npx https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-create-cloudflare-8288 --no-auto-update

@cloudflare/kv-asset-handler:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-kv-asset-handler-8288

miniflare:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-miniflare-8288

@cloudflare/pages-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-pages-shared-8288

@cloudflare/unenv-preset:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-unenv-preset-8288

@cloudflare/vite-plugin:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-vite-plugin-8288

@cloudflare/vitest-pool-workers:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-vitest-pool-workers-8288

@cloudflare/workers-editor-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-workers-editor-shared-8288

@cloudflare/workers-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-workers-shared-8288

@cloudflare/workflows-shared:

npm install https://prerelease-registry.devprod.cloudflare.dev/workers-sdk/runs/13571423289/npm-package-cloudflare-workflows-shared-8288

Note that these links will no longer work once the GitHub Actions artifact expires.


[email protected] includes the following runtime dependencies:

Package Constraint Resolved
miniflare workspace:* 3.20250214.1
workerd 1.20250214.0 1.20250214.0
workerd --version 1.20250214.0 2025-02-14

Please ensure constraints are pinned, and miniflare/workerd minor versions match.

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